1 View all Hidalgo County, TX jobs in McAllen, TX - McAllen jobs. 2  Salary Search: Head Start salaries in McAllen, TX.  Related forums: Hidalgo County, TX - Mcallen, Texas.
Iron deficiency anemia  causing blue skin under the eyes. If there is a shortage of iron in the body, oxygen cannot be properly transported by the blood. Hemoglobin is the oxygen transporting component in the blood, moving oxygen from the lungs to the cells where it is released for normal cell metabolism.
The first step toward getting rid of your dark under eye circles is to figure out what is causing them. Dark circles under the eyes may be caused by: 1  Iron or vitamin deficiency. 2  Lack of sleep or too much sleep. 3  Hyperpigmentation (uneven, dark skin patches).